Outlook updating cached headers

We recommend using the new, compressed file, but if you feel you must keep using to the old uncompressed files, use the Outlook Group Policy template and enable the Do not create new OST file on upgrade policy.

Sync Slider (the Mail to keep offline slider in the Outlook 2013 Server Settings dialog box) and Exchange Fast Access are two new features that are available by default with Cached Exchange Mode in Outlook 2013.

Summary: Configure Outlook 2013 for Cached Exchange Mode so users can access their recent Exchange server email messages offline.

Audience: IT Professionals Business doesn’t stop when workers are on the road.

The fact that it is hanging could be any number of things I definitely understand what Cached Exchange Mode is for and what it does but I wanted to specifically understand the "updated cached messages" part of things.

Note that regardless of that message all mail is available to me offline via my .

By default, if Cached Exchange Mode is enabled, Outlook 2013 caches email messages only from the last 12 months and removes anything older from the cache.

Or, you can configure default settings by using the Office Customization Tool (OCT).

When an Outlook 2013 account is configured to use Cached Exchange Mode, there’s always a local copy of a user’s Exchange mailbox ready in an offline data file (file) on the user’s computer (by default in the C:\Users\App Data\Local\Microsoft\Outlook folder.) Whenever the user is offline and using Outlook 2013, the program works from this local copy and with the Offline Address Book (OAB).

When the user is online, the cached mailbox and OAB are periodically updated from the Exchange Server computer in the background.

By default, when Outlook 2013 is installed, a new compressed version of the file is created.

This file is up to 40 percent smaller than the ones created by earlier versions of Outlook.

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